KR102073310B1 - Method of manufacturing apparatus for cooling sever room and air conditioning system for data center therewith - Google Patents

Abstract

One embodiment of the invention, the step of installing the housing; Installing at least one frame in the housing; Installing a partition wall on the frame separating the space inside the housing into two or more spaces; Forming a mist injector, which is formed by the partition and is configured to spray mist to the outside air supplied from the outside, on one side of the supply unit supplying the outside air to the server room; Forming a filter unit on one side of the mist injection unit to filter external air supplied from the outside; And a step of forming an outside air inflow unit through which outside air is introduced into one side of the filter unit.

Description

Server room cooling system and manufacturing method of air conditioning system in data center having same {METHOD OF MANUFACTURING APPARATUS FOR COOLING SEVER ROOM AND AIR CONDITIONING SYSTEM FOR DATA CENTER THEREWITH}

Embodiments of the present invention relate to a server room cooling apparatus for cooling a server room using external natural air, and a manufacturing method of an air conditioning system of a data center having the same.

Servers, network equipment, and enterprise equipment in the data center generate heat. As a result, the data centers operating these equipment also operate large-scale facilities to cool the heat.

To cool the heat in the data center, cold air must be supplied to each piece of equipment, typically using a thermostat that generates cold air.

However, the energy consumed to run the thermostat and its associated equipment is about 50-60% of the total power used in the data center. Therefore, in order to reduce energy input for cooling the data center, a method of cooling equipment heat by introducing cold air outside the building into the server room has recently been introduced.

In this regard, Korean Patent Publication No. 10-2011-0129514 (published December 2, 2011), such as "Internet data center air conditioning system that realizes a green computing environment," controls external air to enter the data center, Technologies for cooling through the cooling unit to be introduced into the data center are being developed.

The background art described above is technical information possessed by the inventors for the derivation of the present invention or acquired in the derivation process of the present invention, and may not necessarily be known technology disclosed to the general public before the present application.

Embodiments of the present invention provide a server room cooling apparatus capable of maintaining an appropriate temperature and humidity of a data center using external air, and a method of manufacturing an air conditioning system of a data center having the same.

In addition, embodiments of the present invention provides a server room cooling apparatus capable of reducing energy consumed for cooling a data center and a method of manufacturing an air conditioning system of a data center having the same.

In addition, embodiments of the present invention provide a server room cooling apparatus capable of increasing the period in which the data center can be cooled using external air, and a method of manufacturing an air conditioning system of a data center having the same.

In addition, embodiments of the present invention provides a server room cooling apparatus and a method for manufacturing an air conditioning system of a data center having the same, which can more effectively block foreign substances contained in the outside air and reduce the cost of maintenance. .

In addition, embodiments of the present invention provide a server room cooling apparatus suitable for a variety of environmental conditions depending on the temperature / humidity of the outside air and a method of manufacturing an air conditioning system of a data center having the same.

In addition, embodiments of the present invention is configured so that the first supply portion serves as an emergency fresh air inlet, the server room cooling apparatus for supplying the fresh air directly into the server room in the event of an emergency such as a system failure to prevent the temperature rise in the server room And it provides a method of manufacturing an air conditioning system of a data center having the same.

In addition, embodiments of the present invention provides a server room cooling apparatus that can be used as it is without changing the structure of the existing data center for connecting the server room and the server room cooling apparatus and a method of manufacturing the air conditioning system of the data center having the same do.

In addition, embodiments of the present invention do not need to form a separate space for installing a thermostat and supplying cold air, so that the server room cooling apparatus for improving the space utilization inside the data center and the air conditioning system of the data center having the same It provides a manufacturing method.

One embodiment of the invention, the step of installing the housing; Installing at least one frame in the housing; Installing a partition wall on the frame separating the space inside the housing into two or more spaces; Forming a mist injector, which is formed by the partition and is configured to spray mist to the outside air supplied from the outside, on one side of the supply unit supplying the outside air to the server room; Forming a filter unit on one side of the mist injection unit to filter external air supplied from the outside; And a step of forming an outside air inflow unit through which outside air is introduced into one side of the filter unit.

According to another embodiment of the present invention, there is provided a method of manufacturing a server room cooling apparatus according to any one of the above-described manufacturing methods; And forming a server room having a plurality of server racks disposed in a first direction on one side of the server room cooling apparatus.

Other aspects, features, and advantages other than those described above will become apparent from the following drawings, claims, and detailed description of the invention.

According to embodiments of the present invention, a server room cooling apparatus and a method of manufacturing an air conditioning system of a data center including the same may be used to spray air into the server room by spraying mist into the outside air introduced from the outside of the building to provide temperature / It can be operated year-round, even in varying environmental conditions due to humidity conditions, thereby dramatically reducing the energy consumed in cooling the data center.

In addition, by the server room cooling apparatus and the manufacturing method of the air conditioning system of the data center having the same according to the embodiments of the present invention, by using a double filter that is automatically replaced according to the degree of contamination by blocking foreign matters contained in the outside air It can effectively block foreign substances and reduce the cost of maintenance.

In addition, by the server room cooling apparatus and the manufacturing method of the air conditioning system of the data center having the same according to the embodiments of the present invention, by measuring the temperature and humidity of the outside air introduced from the outside of the building and based on the control the amount of mist spray By controlling so that optimum operation is possible even in environmental conditions with a lot of changes according to the temperature / humidity state of the outside air.

In addition, the server room cooling apparatus according to the embodiments of the present invention and the manufacturing method of the air conditioning system of the data center having the same, by supplying the outside air directly into the server room in the event of an emergency such as a system failure to increase the temperature in the server room The effect of preventing can be obtained.

In addition, by the server room cooling apparatus and the manufacturing method of the air conditioning system of the data center having the same according to the embodiments of the present invention, it is possible to obtain the effect of improving the space utilization in the data center.

In addition, by the server room cooling apparatus according to the embodiments of the present invention and the manufacturing method of the air conditioning system of the data center having the same, in the connection between the server room and the server room cooling apparatus, it is utilized without changing the structure of the existing data center. Can be.

1 is a perspective view of a server room cooling apparatus according to an embodiment of the present invention.
FIG. 2 is a side view of the server room cooling apparatus of FIG. 1.
3 is a perspective view illustrating in detail an outside air inlet of the server room cooling apparatus of FIG. 1.
4 is a perspective view illustrating in detail a filter unit of the server room cooling apparatus of FIG. 1.
5 is a perspective view illustrating in detail a mist spray unit and a cooling unit of the server room cooling apparatus of FIG. 1.
6 is a perspective view illustrating in detail a first supply part and a second supply part of the server room cooling apparatus of FIG. 1.
7 is a perspective view of an air conditioning system of a data center according to an embodiment of the present invention.
8 is a plan view of an air conditioning system of the data center of FIG. 7.
9 is a side view of the cool zone of the air conditioning system of the data center of FIG.
10 is a side view of the hot zone of the air conditioning system of the data center of FIG.
11 to 22 are flowcharts illustrating a method of manufacturing the server room cooling apparatus 100 according to the exemplary embodiment of the present invention.
23 is a perspective view showing one side of the housing, Figure 24 is a perspective view showing the other side of the housing formed to engage with the one side.

As the invention allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description. Effects and features of the present invention, and methods for achieving them will be apparent with reference to the embodiments described below in detail in conjunction with the drawings. However, the present invention is not limited to the embodiments disclosed below but may be implemented in various forms. In the following embodiments, the terms first, second, etc. are used for the purpose of distinguishing one component from other components rather than a restrictive meaning. Also, the singular forms “a”, “an” and “the” include plural forms unless the context clearly indicates otherwise. In addition, the terms including or have means that the features or components described in the specification are present, and does not exclude in advance the possibility that one or more other features or components will be added. In addition, in the drawings, the components may be exaggerated or reduced in size for convenience of description. For example, the size and thickness of each component shown in the drawings are arbitrarily shown for convenience of description, and thus the present invention is not necessarily limited to the illustrated.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, and the same or corresponding components will be denoted by the same reference numerals, and redundant description thereof will be omitted. .

1 is a perspective view of a server room cooling apparatus according to an embodiment of the present invention, and FIG. 2 is a side view of the server room cooling apparatus of FIG. 1. 3 is a perspective view showing in detail the outside air inlet of the server room cooling apparatus of FIG. 1, FIG. 4 is a perspective view showing the filter unit of the server room cooling apparatus of FIG. 1 in detail, and FIG. 5 is a view of the server room cooling apparatus of FIG. It is a perspective view showing the mist injection part and a cooling part in detail, and FIG. 6: is a perspective view showing the 1st supply part and the 2nd supply part of the server room cooling apparatus of FIG.

First, referring to FIGS. 1 and 2, the server room cooling apparatus 100 according to an exemplary embodiment of the present invention may include an outside air inlet 110, a filter 120, a mist injector 130, and a cooling unit. 140, a first supply part 150, and a second supply part 160.

The server room cooling apparatus 100 using the outside air according to an embodiment of the present invention is to supply cool external air to a place where it is necessary to cool the heat, such as a data center, according to a temperature / humidity state. It is characterized by cooling the inside of the server room at a lower cost by using air from the outside (for example, outside the building) without interruption during the year, even in a lot of changing environmental conditions. This will be described in more detail below.

1, 2 and 3, the outside air inlet 110 serves to introduce air from the outside of the server room cooling apparatus 100 into the server room cooling apparatus 100. The outside air inlet 110 may include an OA damper 111, a demister filter 113, a grating 115, and an RA air damper 117. It includes. In addition, although not shown in the drawing, a predetermined mesh (not shown) may be further provided between the OA damper 111 and the demister filter 113.

The OA damper 111 controls the opening and closing of the outside air inlet 110 to control the amount of outside air introduced through the outside air inlet 110. As an example of the OA damper 111, a motor damper (MD) that is automatically opened and closed by an electric motor or air pressure may be provided.

Demister filter 113 is a device for removing moisture or foreign matter in the steam, it is composed of a method such as overlapping the mesh layer or filling a fibrous object. Such a demister filter 113 is small in resistance, high in dust collection efficiency, is formed to have a high corrosion resistance, and has the advantage of easy handling because it can be easily cleaned and lightweight.

Here, the outside air inlet 110 of the server room cooling apparatus 100 according to an embodiment of the present invention is directly meshed with a mesh (not shown) and a demister filter immediately adjacent to the OA damper 111 into which outside air is introduced. It is characterized in that the 113 is provided so that foreign matter contained in the outside air does not enter into the server room cooling apparatus 100. That is, a mesh (not shown) is provided immediately adjacent to the OA damper 111 to prevent the introduction of birds or other large insects, and a demister filter 113 is provided inside the server room cooling apparatus. (100) is to remove foreign matter coming into the interior. In this case, a plurality of demister filters 113 may be provided, and as shown in FIG. 3, a plurality of demister filters 113 may be installed in a zigzag arrangement to increase the installation area.

A lower bottom surface of the outside air inlet 110, that is, a surface connected to the filter unit 120, is provided with a grating 115 having a plurality of openings, and the outside air introduced into the outside air inlet 110 is provided. The filter unit 120 may be passed through.

On the other hand, one side of the outside air inlet 110 may be connected to the return duct unit 170 that is supplied with the return air passed through the server room, between the outside air inlet 110 and the return duct unit 170 inflow A RA air damper 117 may be further formed to control the air flow between the unit 110 and the return duct unit 170. By adjusting the mixing ratio of the outside air and the return air by the RA damper 117, it is possible to control the temperature of the air supplied into the server room cooling apparatus 100 to an appropriate level.

On the other hand, the case forming the external air inlet 110, for example, is formed of a material such as urethane and may be installed so as not to leak the air by performing the entire inner and outer sealing operation. In addition, although not shown in the drawing, a differential pressure gauge for a demister filter (not shown) may be additionally installed in the outside air inlet 110 so as to check the differential pressure of the filter.

The demister filter 113 of the outside air inlet 110 and the roll filter 121 of the filter unit 120 block foreign substances such as dust contained in the outside air, thereby providing a server, network equipment, It can play a role of preventing failure of enterprise equipment.

Next, referring to FIGS. 1, 2 and 4, the filter unit 120 is disposed at one side of the outside air inlet 110 and performs a role of filtering outside air supplied through the outside air inlet 110. do. Such a filter unit 120 is disposed below the outside air inlet 110, and thus may be formed in a direction substantially perpendicular to the outside air inflow direction of the outside air inlet 110.

The filter unit 120 may include a roll filter 121. The roll filter 121 may serve to filter the foreign matter contained in the outside air once again. Here, the roll filter 121 is formed in a winding type and can be automatically replaced according to the degree of contamination of the filter. Therefore, the roll filter 121 can be used for a long time by being installed once, and the replacement of the filtration member can be simplified to reduce the replacement time. Such a roll filter 121 may be configured to be operated by a differential pressure before and after the filter by installing a separate controller (not shown), for example, the pressure loss in the range of 7mmAq ~ 20mmAq automatically operated by the differential pressure sensor It can be set to enable. It will also be possible for the user to specify the differential pressure range at this time. The roll filter 121 may be formed of a material such as stainless steel and aluminum, which has excellent durability, and may be formed to be reused by washing several times depending on the type of filtration member.

Next, referring to FIGS. 1, 2, and 5, the mist injector 130 is disposed on one side of the filter unit 120, and sprays mist into the outside air that has passed through the filter unit 120. Do this. In detail, the mist spray unit 130 includes a spray nozzle 131, and the water of the fine particles into the outside air introduced through the outside air inlet unit 110, that is, the temperature and humidity inside the server room are maintained at an appropriate state. Spray mist. That is, the mist spray unit 130 by spraying the mist to the outside to increase the low humidity and the temperature of the characteristics of the outside air, to supply the air suitable for operating the equipment inside the server room. The mist injection unit 130 may spray the mist by direct injection to the outside air passing through the mist injection unit 130 through the injection nozzle 131 by raising the pressure of water with a pump. In order to maximize the effect of mist spraying, the distance between the spray nozzle 131 and the cooling member 141 of the cooling unit 140 may be optimized. As such, since the temperature of the outside air can be lowered by about 2 to 4 ° C. only by directly injecting mist into the outside air, energy saving can be obtained by reducing the operating time of the cooling unit 140.

Meanwhile, the mist injector 130 may further include a drain 133 for collecting the condensed water. The drain 133 may be formed under the mist injector 130 to condense and smoothly discharge water accumulated on the bottom to the outside.

On the other hand, the cooling unit 140 is disposed between the mist injection unit 130 and the first supply unit 150, and serves to cool the outside air once passed through the mist injection unit 130. The cooling unit 140 may include a cooling member 141 in the form of a cooling coil, where the cooling member 141 may be an oval coil. That is, the cooling member 141 may be formed of an elliptic copper tube to minimize air resistance and to improve cooling performance behind the coil. The elliptical coil is suitable for energy saving because it can maintain a low static pressure even at high wind speeds.

In the case of an air conditioning system of a conventional data center, it was common to have a thermostat for generating cold air on one side of the server room separately from the server room cooling device. In this case, since a thermostat must be provided at one side of the server room, a separate space is required for arranging the thermostat in the data center, and there is a problem of changing the structure of the server room for connection between the server room and the thermostat. It was.

On the contrary, in the case of the server room cooling apparatus and the air conditioning system of the data center including the same according to an embodiment of the present invention, a cooling unit 140 serving as a thermostat is provided in the server room cooling apparatus 100. Since a separate space for the thermostat is not required, space utilization inside the data center can be improved. Furthermore, it is not necessary to change the structure of the server room for the connection between the server room and the thermostat, and thus it is possible to obtain the effect of using the existing data center without changing the structure.

Next, referring to FIGS. 1, 2, and 6, the first supply unit 150 is disposed at one side of the mist spray unit 130 or the cooling unit 140, and the mist spray unit 130 or the cooling unit ( It serves to supply the outside air passing through 140 to the server room, especially the lower part of the server room. The first supply unit 150 includes a first supply damper 151, and the first supply damper 151 controls the opening and closing of the first supply unit 150 to supply the server room through the first supply unit 150. It controls the amount of air that is being. As an example of the first supply damper 153, a motor damper (MD) that is automatically opened and closed by an electric motor or air pressure may be provided. The first supply damper 151 may serve to prevent temperature rise in the server room by supplying fresh air directly into the server room in an emergency such as a system failure.

The second supply unit 160 is disposed on one side of the first supply unit 150, and serves to supply outside air that has passed through the mist spray unit 130 or the cooling unit 140 to the upper part of the server room, in particular, the server room. To perform. The second supply unit 160 may be formed above the first supply unit 150. The second supply unit 160 may include a blowing fan 161 and a second supply damper 163.

The blowing fan 161 sucks the outside air introduced through the outside air inlet 110 toward the second supply unit 160. That is, the blowing fan 161 is installed on the natural air flow path that moves along the filter unit 120, the mist spray unit 130, the cooling unit 140, and the first supply unit 150 arranged in a straight line. As a result, the reverse rotation of the blower fan 161 may be prevented, and a delay time may be unnecessary during the switching operation from the first supply unit 150 to the second supply unit 160.

As will be described later, the air conditioning system 1 of the data center according to an embodiment of the present invention may include a plurality of blowing fans 161, and to individually adjust the air volume of each blowing fan 161. As a result, even if a part of the blower fan 161 breaks down, it is possible to increase the air flow rate of the remaining blower fan 161 to maintain the total amount of air.

The second supply damper 163 controls the opening and closing of the second supply unit 160 to control the amount of air supplied to the server room through the second supply unit 160. As an example of the second supply damper 163, a motor damper (MD) that is automatically opened and closed by an electric motor or air pressure may be provided.

Thus, by providing together the 1st supply part 150 arrange | positioned under the server room cooling apparatus 100, and the 2nd supply part 160 arrange | positioned above the server room cooling apparatus 100, a server rack (FIG. 7) According to the configuration of (see 210) of the) it is possible to obtain the effect of varying the supply structure of the outside air. Furthermore, by forming the first supply unit 150 disposed below the server room cooling apparatus 100, the server rack (210 of FIG. 7) may be used to replace the lower space of the server rack (see 210 of FIG. 7), which is conventionally used as a cold air supply pipe. It can be utilized as a part of), it is possible to obtain the effect of additionally securing the server room 200 space.

That is, in the conventional air conditioning system of the data center, a space for supplying cold air should be formed in the lower part of the server room in order to supply cold air to the server room. Therefore, it was necessary to form a bottom surface for arranging the server on the lower part of the server room, and thus there was a problem in that the structure of the server room had to be changed when the cooling method was changed. In addition, the space inside the server room is reduced as much as the space formed in the server room, there was a problem that the space utilization is lowered.

On the contrary, in the case of the server room cooling apparatus and the air conditioning system of the data center including the same, the first supply unit 150 and the server room cooling apparatus disposed under the server room cooling apparatus 100 are provided. By providing the second supply unit 160 disposed above the 100, it is not necessary to form a separate space for supplying cold air in the lower part of the server room, thereby greatly improving the space utilization inside the data center. You can get it. Furthermore, since the server room structure does not need to be changed in order to connect the server room and the server room cooling device, the structure of the existing data center can be utilized without changing the structure of the existing data center.

Although not shown in the drawing, the server room cooling apparatus 100 may further include a measuring unit (not shown) for measuring the temperature and humidity of the outside air introduced from the outside air inlet 110. For example, the measuring unit may include a temperature sensor measuring temperature and a humidity sensor measuring humidity. Information about the temperature and humidity of the outside air measured by the measuring unit may be transmitted to the controller (not shown).

The control unit (not shown) is a mist injection unit 130 so that the outside air introduced through the outside air inlet 110 based on the information on the temperature and humidity of the outside air received from the measuring unit (not shown) so that the appropriate temperature / humidity By controlling the injection amount of the mist is injected from the outside air to be cooled or humidified.

For example, the controller (not shown) compares information on temperature / humidity in the server room with information on temperature / humidity of the outside air, and when it is determined that cooling in the server room is necessary, by adjusting the injection amount of mist. The temperature of outside air can be reduced. On the contrary, if the temperature inside the server room is an appropriate temperature but humidification is required, the controller may increase the humidity of the outside air supplied into the server room by adjusting the injection amount of mist.

7 is a perspective view of an air conditioning system of a data center according to an embodiment of the present invention, and FIG. 8 is a plan view of an air conditioning system of a data center of FIG. 7. 9 is a side view of the cool zone of the air conditioning system of the data center of FIG. 7, and FIG. 10 is a side view of the hot zone of the air conditioning system of the data center of FIG. 7.

Here, the supply air (SA) of FIG. 9 represents an air flow in the cool zone CZ, and the return air (RA) of FIG. 10 represents an air flow in the hot zone HZ. .

7, 8, 9, and 10, the air conditioning system 1 of the data center including the server room cooling apparatus 100 includes a first direction (in the server room 200 and the server room 200). At least one server room cooling device 100 formed at one side of the plurality of server racks 210 and the server room 200 arranged along the A direction and supplying external air from the outside to the server room 200. It includes.

At this time, each server rack 210 may be provided with a plurality of servers, the space between each server rack 210 is alternately hot zone (HZ) and cool zone (cool zone (CZ)) do. Here, the cool zone CZ is connected to the server room cooling device 100 to receive cold air from the server room cooling device 100. The cold air supplied to the cool zone CZ flows into the server rack 210 and is heated by passing through the plurality of servers provided in the server rack 210, and then the hot zone HZ and the exhaust part connected thereto. It is discharged to the outside via the 220 or supplied to the server room cooling apparatus 100 again. Therefore, the cool zone CZ is connected to the server room cooling apparatus 100 and is opened, and the hot zone HZ is blocked with respect to the server room cooling apparatus 100. Here, although the hot zones HZ and the cool zones CZ are illustrated as communicating with each other in FIG. 7, this is for convenience of the city, and the hot zones HZ and the cool zones CZ may communicate with each other. However, in order to efficiently cool the server, the hot zone HZ and the cool zone CZ are blocked from each other, and the cool zone CZ is connected to the server room cooling device 100 to cool the air from the server room cooling device 100. SA (Supply Air) is supplied, and the hot zone (HZ) is shut off with respect to the server room cooling apparatus 100, and the exhaust unit 220 provided with hot air (RA: Return Air) above the server room 200. It can be formed to exhaust to.

In more detail, the cool air (SA) supplied to the cool zone CZ of the server room 200 is supplied to each series of server racks 210 and discharged from the server racks 210. Hot air (RA) is introduced into the exhaust unit 220 provided in the server room 200 through the hot zone HZ. The air introduced into the exhaust part 220 may be introduced back into the server room cooling apparatus 100 or may be exhausted outside the server room 200 as necessary.

Here, the exhaust unit 220 is installed above the server room 200 to exhaust the air inside the server room 200. The exhaust unit 220 may be implemented as, for example, a duct, in which cold air supplied from the server room cooling apparatus 100 is heated through the server rack 210 provided in the server room 200, thereby providing a server room. If it is raised to the upper portion 200, it may be intake and exhausted to the outside of the server room 200.

The exhaust unit 220 of the server room 200 may be connected to the return duct unit 170 of the server room cooling apparatus 100. Therefore, under the control of the controller, the hot air discharged from the server room 200 flows into the server room cooling apparatus 100 through the exhaust part 220 and the return duct part 170, thereby allowing the outside air and the server room 200 to be inside. Air can be mixed. In this case, the mist injector 130 may spray the mist into the mixed air to allow the server room 200 to be cooled or humidified more efficiently.

Meanwhile, the server room cooling apparatus 100 may be provided in plural along the first direction (A direction in FIG. 7). In addition, the plurality of server room cooling apparatus 100 may be open to allow the flow of air to each other. That is, each server room cooling apparatus 100 may be formed by opening all sidewalls of the server room cooling apparatus 100 adjacent to each other to allow the flow of air to each other. Therefore, the entire air conditioning system 1 of the data center including the plurality of server room cooling devices 100 may be operated integrally. That is, as described above, the plurality of blowing fans 161 are formed to individually adjust the air volume of each blowing fan 161, so that even if some blow fans 161 fail, the remaining blowing fans 161 You can also increase the volume of air) to keep the total air volume constant.

In this way, a plurality of server room cooling devices 100 that are perforated with each other can be used, and the entire space outside the server room 200 can be used as one cooling device, thereby reducing the air resistance, thereby reducing the transportation power. In addition, since there is no duct inside the cooling device, it is possible to secure a maintenance space without complicated environment. Furthermore, stabilization of the airflow can minimize noise and vibration in the equipment, increase the life of the equipment, and minimize the static pressure loss through stable air flow. In addition, the air conditioning system 1 according to an embodiment of the present invention has a structure of a built-up (BUILT UP) method and a package (PACKAGE) method is excellent in space utilization, which is an advantage of the built-up method, and an advantage of the package method It has the effect of obtaining both phosphorus tightness and the superiority of heat insulation.

Hereinafter, the operation method of the air conditioning system 1 of the data center will be described in more detail.

Outside air outside the data center is introduced into the server room cooling apparatus 100 through the outside air inlet 110 of the server room cooling apparatus 100. At this time, the foreign matter contained in the outside air may be blocked through the outside air inlet 110 and the filter unit 120. The outside air blocked by the foreign matter is cooled or humidified by the mist sprayed from the mist spray unit 130 while passing through the mist spray unit 130 of the server room cooling apparatus 100. Thereafter, the cooled or humidified outdoor air is supplied to the server room 200 through the first supply unit 150 and / or the second supply unit 160 provided at one side of the server room cooling apparatus 100. At this time, the server room cooling apparatus 100 operates the cooling member 141 provided in the cooling unit 140 of the server room cooling apparatus 100 when the temperature of the outside air is greater than or equal to a preset value, thereby, inside the server chamber 200. Cooler air can be supplied.

Next, the cool air supplied to the cool zone CZ of the server room 200 flows into the server rack 210 provided in the server room 200 and is provided by a plurality of servers included in the server rack 210. After heating, the gas is discharged to the hot zone HZ, and may be discharged to the outside of the server room 200 through the exhaust unit 220 provided above the hot zone HZ. At this time, if necessary, a part of the air discharged to the exhaust unit 220 may be supplied back to the outside air inlet unit 110 through the return duct unit 170 of the server room cooling apparatus 100.

According to the present invention as described above, by reducing the number of equipment provided in the air conditioning system of the data center, it is possible to obtain the effect that the efficient use of space is possible. In addition, by optimizing the interval between the mist injection unit 130 and the cooling unit 140, it is possible to obtain the effect of improving the cooling efficiency by the mist injection. In addition, it is possible to obtain the effect of reducing the power for flowing outside air by securing the natural airflow space by minimizing the bending of the outside air flow path. Furthermore, since cooling is possible only with the secondary exhaust power without the primary power, the energy can be further reduced by increasing the rate of supply of air in the server room.

Hereinafter, a method of manufacturing the server room cooling apparatus 100 and the air conditioning system 1 of the data center having the same will be described in more detail.

11 to 22 are flowcharts illustrating a method of manufacturing the server room cooling apparatus 100 according to the exemplary embodiment of the present invention.

11 to 22, the method of manufacturing a server room cooling apparatus 100 according to an exemplary embodiment of the present disclosure includes installing a housing and installing a cooling water supply pipe in the housing. Forming a bottom part on the base surface of the housing, installing an inner wall along an outer wall of the housing, installing a frame in the housing, installing a partition on the frame, and forming the partition. Installing a blower fan in a second supply unit, installing a cooling unit along the frame, installing a mist injection unit and a filter unit on one side of the cooling unit, and installing a lattice unit on one side of the filter unit, And installing an outside air inlet on one side of the grid part, and installing a return duct part to communicate with the outside air inlet.

This will be described in more detail as follows.

First, referring to FIG. 11, a housing 11 is installed on the ground. The housing 11 forms an overall appearance of the server room cooling apparatus 100, and the inside air inlet 110, the filter unit 120, the mist injector 130, and the cooling unit 140 are illustrated in FIG. 1. ), The first supply unit 150 and the second supply unit 160 is disposed.

The housing 11 includes a base 13 forming a bottom surface, an upper plate 19 forming an upper surface, a first outer wall 15 and a second formed between and supporting the base 13 and the upper plate 19. An outer wall 17. The first outer wall 15 and the second outer wall 17 may be partially open to communicate with the outside and the server room 200, respectively. In addition, the housing 11 may be installed on the ground to prevent air leakage by performing the whole inner and outer sealing operations.

Meanwhile, as described above, the server room cooling apparatus 100 may be provided in plural along the first direction (A direction in FIG. 7), and in this case, the housing 11 of the server room cooling apparatus 100 adjacent to each other. Should be formed so as to be connected to each other and joinable. To this end, the side portions of the housing 11 which are adjacent to each other may be formed in a shape to be engaged with each other, which will be described in more detail with reference to FIGS. 23 and 24.

Next, referring to FIG. 12, a cooling water supply pipe 21 is installed in the housing 11. The cooling water supply pipe 21 may be formed along a direction perpendicular to the ground, and may serve to supply a predetermined cooling water to the cooling unit (see 140 of FIG. 1).

Next, referring to FIG. 13, a bottom portion 23 is installed at the base portion 13 of the housing 11. In this case, the bottom 23 may include a drain portion (see 133 of FIG. 1) of the mist sprayer (see 130 of FIG. 1), and the drain portion 133 may be formed under the mist sprayer 130 to condense. It can serve to smoothly discharge the water accumulated on the floor to the outside. In addition, various components related to the installation or drainage of each component may be included in the bottom 23.

Next, referring to FIG. 14, inner walls 25 and 27 are installed along outer walls 15 and 17 of the housing 11. The first inner side wall 25 and the second inner side wall 27 may be partially opened to correspond to the first outer side wall 15 and the second outer side wall 17 so as to communicate with the outside and the server room 200, respectively. Can be.

Next, referring to FIG. 15, a frame 31 is installed in the housing 11. The frame 31 is formed in a substantially beam-to-column shape, and the air inlet 110, the filter 120, the mist injector 130, the cooling unit 140, and the first supply unit illustrated in FIG. 150 and the second supply unit 160 to partition each component.

Next, referring to FIG. 16, a partition 33 is installed on the frame 31. The partition part 33 is formed of one or more plates to separate a space in the housing 11 and to define a flow path of outside air introduced from the outside. That is, a path through which the outside air moves to the server room (see 200 in FIG. 7) by the partition 33 (that is, the outside air inlet 110, the filter 120, the mist injector 130, and the cooling unit ( 140, the first supply unit 150 and the second supply unit 160 and the other space is separated.

Next, referring to FIG. 17, a blowing fan 161 is installed in the second supply part 160 formed by the partition wall part 33. Here, the blowing fan 161 serves to suck the outside air introduced through the outside air inlet 110 toward the second supply unit 160. That is, the blowing fan 161 is installed on the natural air flow path that moves along the filter unit 120, the mist spray unit 130, the cooling unit 140, and the first supply unit 150 arranged in a straight line. As a result, the reverse rotation of the blower fan 161 may be prevented, and a delay time may be unnecessary during the switching operation from the first supply unit 150 to the second supply unit 160.

Next, referring to FIG. 18, the cooling unit 140 is installed along the frame 31 on one side of the first supply unit 150 and the second supply unit 160. Here, the cooling unit 140 is disposed between the mist spray unit 130 to be subsequently disposed and the first supply unit 150 described above, and serves to cool the outside air once passed through the mist spray unit 130. . The cooling unit 140 may include a cooling member 141 in the form of a cooling coil, where the cooling member 141 may be an oval coil. Although not shown in the drawing, the cooling unit 140 is connected to the cooling water supply pipe 21 through the bottom 23, thereby receiving cooling water required for cooling.

Next, referring to FIG. 19, the mist injection unit 130 and the filter unit 120 are formed at one side of the cooling unit 140. First, the spray nozzle 131 of the mist spray unit 130 is installed at one side of the cooling unit 140. In detail, the spray nozzle 131 of the mist injector 130 is a fine particle of water, that is, mist (Mist) to the outside air introduced through the outside air inlet 110 so that the temperature and humidity inside the server room are maintained in an appropriate state. Spray). That is, the mist spray unit 130 by spraying the mist to the outside to increase the low humidity and the temperature of the characteristics of the outside air, to supply the air suitable for operating the equipment inside the server room. The mist injection unit 130 may spray the mist by direct injection to the outside air passing through the mist injection unit 130 through the injection nozzle 131 by raising the pressure of water with a pump.

Meanwhile, a roll filter 121 of the filter unit 120 is installed at one side of the mist injection unit 130. The roll filter 121 may serve to filter the foreign matter contained in the outside air once again, and may be formed in a winding type to be automatically replaced according to the degree of contamination of the filter. Therefore, it can be used for a long time by mounting once, and the replacement of the filtration member can be simplified, thereby reducing the replacement time.

Next, referring to FIG. 20, the grating part 115 is installed on one side (upper side) of the filter part 120. The grid unit 115 may separate the filter unit 120 and the outside air inlet unit 110. The outside air introduced into the outside air inlet unit 110 may move to the filter unit 120 through the grid unit 115. Can be.

Next, referring to FIG. 21, an OA damper 111, a demister filter 113, and an RA damper 117 of the outside air inlet 110 are installed at one side of the grating part 115. Then, the return duct unit 170 is installed at one side of the outside air inlet unit 110, and the outside air inlet unit 110 and the return duct unit 170 may be communicated through the RA damper 117.

Here, the OA damper 111 controls the opening and closing of the outside air inlet 110, thereby controlling the amount of outside air introduced through the outside air inlet 110. In addition, the demister filter 113 is a device for removing moisture or foreign matter in the steam, and is composed of a method of overlapping a mesh or filling a fibrous object.

Meanwhile, a return duct 170 may be formed at one side of the outside air inlet 110 to supply return air passing through the server room 200 (refer to 200 of FIG. 7), and the outside air inlet 110 and the return duct may be formed. Between the parts 170, a return air damper 117 may be further formed to control the air flow between the outside air inlet 110 and the return duct 170. By adjusting the mixing ratio of the outside air and the return air by the RA damper 117, it is possible to control the temperature of the air supplied into the server room cooling apparatus 100 to an appropriate level.

23 is a perspective view showing one side of the housing, Figure 24 is a perspective view showing the other side of the housing formed to engage with the one side.

Referring to FIGS. 23 and 24, one side and the other side of the housing 11 may be formed in a shape to be engaged with each other. For example, if the protrusion 13aa is formed at the center of one side 13a of the housing 11 and the groove is formed at both sides thereof, the center of the other side 13b of the housing 11 has a shape that engages with it. Grooves 13bb are formed and projections are formed on both sides thereof. That is, in the case of a general server room cooling apparatus, both side surfaces of the housing are formed flat, respectively, and are bonded to each other using a bonding material or the like. However, in this case, the coupling force between the housings adjacent to each other is weak, such that the housings that are coupled to each other is separated from each other. In order to solve such a problem, the server room cooling apparatus 100 according to an embodiment of the present invention is formed so that one side and the other side of the housing 11 is engaged with each other, the neighboring housing 11 ) Is fastened to each other in the form of a sawtooth, it is possible to obtain the effect of strengthening the fastening force between the neighboring housings to enhance the durability of the server room cooling apparatus (100).

The server room cooling apparatus 100 manufactured through such a process is shown in FIG. According to the manufacturing method of the server room cooling apparatus 100 according to an embodiment of the present invention, by manufacturing the server room cooling apparatus by packaging for each component in a predetermined optimized order, manufacturing process of the server room cooling apparatus This makes it possible to obtain an effect of simplifying, shortening the production time, and improving the production efficiency. In addition, when a plurality of server room cooling devices 100 manufactured by the above method are combined to form an air conditioning system 1 of a data center, the coupling between a plurality of server room cooling devices 100 is facilitated and the overall data center The durability of the air conditioning system 1 can be obtained.

In addition, the server room cooling apparatus 100 manufactured by such a manufacturing method and the air conditioning system 1 of the data center including the same supply the cooled air by spraying mist into the outside air introduced from the outside of the building to the server room. This enables non-disruptive operation throughout the year, even in environmental conditions with varying temperature / humidity conditions, thereby dramatically reducing the energy consumed in cooling the data center. In addition, by the server room cooling apparatus 100 manufactured by the manufacturing method of the present invention and the air conditioning system 1 of the data center including the same, the outside air is supplied directly into the server room in an emergency such as a system failure. It is possible to prevent the temperature rise in the server room and further improve the space utilization inside the data center.

As described above, the present invention has been described with reference to one embodiment shown in the drawings, but this is merely exemplary, and it will be understood by those skilled in the art that various modifications and variations can be made therefrom. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

1: air conditioning system in the data center
100: server room cooling unit
110: outside air inlet
120: filter unit
130: mist injection unit
140: cooling unit
150: first supply unit
160: second supply unit
200: server room
210: server rack
220: exhaust

Claims (18)

Installing a housing;
Installing at least one frame in the housing;
Installing a partition wall on the frame separating the space inside the housing into two or more spaces;
Forming a mist injector, which is formed by the partition and is configured to spray mist to the outside air supplied from the outside, on one side of the supply unit supplying the outside air to the server room;
Forming a filter unit on one side of the mist injection unit to filter external air supplied from the outside; And
And forming an outside air inlet through which outside air is introduced into one side of the filter unit.
The filter part, the mist injection part and the supply part are formed to be arranged in a straight line,
The supply unit,
A first supply part disposed at one side of the mist injector and configured to supply external air having passed through the mist injector to the server room;
A second supply unit configured to supply at least a portion of the outside air that has passed through the mist injection unit to the server room,
The second supply part is connected to the first supply part, and is disposed above the first supply part.
After the step of installing the partition,
Installing a blower fan in the second supply unit;
The blower fan is disposed above the first supply part, and moves the outside air from the first supply part to the second supply part. The method of claim 1,
After installing the housing,
And forming a bottom portion on the base surface of the housing, the bottom portion including a drain portion for discharging water condensed by the mist spray portion to the outside. delete delete delete The method of claim 1,
After the step of installing the partition,
And forming a cooling unit configured to cool the outside air passing through the mist injection unit between the supply unit and the mist injection unit. The method of claim 6,
After installing the housing,
Installing a cooling water supply pipe in the housing;
And a cooling water is supplied to the cooling unit through the cooling water supply pipe. The method of claim 1,
After forming the outside air inlet,
And forming a return duct part in communication with the outside air inlet. The method of claim 1,
And the partition wall portion defines a flow path of the outside air introduced from the outside through the outside air inlet. The method of claim 1,
And the filter portion is formed in a direction substantially perpendicular to the outside air inflow direction of the outside air inflow portion with respect to the outside air inflow portion. Manufacturing a server room cooling apparatus according to the method of any one of claims 1, 2 and 6 to 10; And
And forming a server room having a plurality of server racks disposed in a first direction on one side of the server room cooling apparatus. The method of claim 11,
Manufacturing the server room cooling apparatus,
And forming and coupling a plurality of server room cooling devices along the first direction. The method of claim 12,
A method of manufacturing an air conditioning system in a data center, wherein the surfaces of two server room cooling apparatuses adjacent to each other are in contact with each other. The method of claim 12,
A method of manufacturing an air conditioning system in a data center, characterized in that a groove is formed on one side of two neighboring server room cooling apparatuses, and a protrusion having a shape engaging with the groove is formed on the other side. . The method of claim 12,
The server room cooling apparatus is a manufacturing method of an air conditioning system of a data center, characterized in that the open to allow the flow of air to each other. The method of claim 11,
Forming the server room,
At least one cool zone formed in a space between the server racks adjacent to each other and supplied with outside air from the server room cooling apparatus, and formed in a space between the server racks adjacent to each other and introduced into the cool zone; And forming one or more hot zones which are exhausted after the outside air passes through the servers provided in the server rack. The method of claim 11,
Forming the server room,
And forming an exhaust unit for discharging outside air supplied from the server room cooling apparatus to the outside. The method of claim 17,
One side of the exhaust part is connected to the return duct part of the server room cooling apparatus,
At least a portion of the outside air supplied from the server room cooling device is formed to be supplied back to the server room cooling device through the return duct part.

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